An audible and LED indicator will let you know if the wrist strap is working properly.
When combined with a test cord (sold separately), it can test cordless wrist straps with gold threads. Model number: MTL-70TA
Size (mm): 40×35×15
Weight: Approx. 21g
Battery: 2 x LR-44 (1.5V) button batteries (included for testing)
